Section 24409 Of Article 2. Headlamps And Auxiliary Lamps From California Vehicle Code >> Division 12. >> Chapter 2. >> Article 2.
24409
. Whenever a motor vehicle is being operated during darkness,
the driver shall use a distribution of light, or composite beam,
directed high enough and of sufficient intensity to reveal persons
and vehicles at a safe distance in advance of the vehicle, subject to
the following requirements and limitations:
(a) Whenever the driver of a vehicle approaches an oncoming
vehicle within 500 feet, he shall use a distribution of light or
composite beam so aimed that the glaring rays are not projected into
the eyes of the oncoming driver.
The lowermost distribution of light specified in this article
shall be deemed to avoid glare at all times regardless of road
contour.
(b) Whenever the driver of a vehicle follows another vehicle
within 300 feet to the rear, he shall use the lowermost distribution
of light specified in this article.